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Differences between compact bone and cartilage

You do things keep your body in balance everyday what things do you try to keep balanced in your everyday life

Paleontologists have found plant fossils deep within the layers of the north polar region. these leaf fossils have been labeled as to the rock layers they were found in, with the lower numbers being layers close to the earth's surface and higher numbers representing deeper layers. according to the numbers of these four leaf fossils, what might you infer?